.travis.yml in kaicho-0.3.0 vs .travis.yml in kaicho-0.3.1

@@ -1,7 +1,7 @@
 ---
 sudo: false
 language: ruby
 cache: bundler
 rvm:
-  - 2.5.1
-before_install: gem install bundler -v 1.16.5
+  - 2.6.2
+before_install: gem install bundler -v 2.1